Good run on the super-pi as i see you cut off HT, which gives you a bit better score. Try this and it should help also by lowering this in the ram timings. B2B (Back to Back) CAS Delay timing, it helps a lot in mem bandwidth dept.

http://www.xtremesystems.org/forums/...d.php?t=229003

So how is the 5970 treating you? Should be a monster of a card.